Clock



FIG. 1 is a perspective view of the clock of the present invention;

FIG. 2 is a front elevational view of the clock of FIG. 1;

FIG. 3 is a top plan view of the clock of FIG. 1;

FIG. 4 is a bottom plan view of the clock of FIG. 1; and,

FIG. 5 is a right side elevational view of the clock of FIG. 1, the left side view being a mirror image thereof.

The broken line showing of "buttons" in all figures and "numerals" in FIG. 2 is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for a clock, as shown and described. 